void show ()
{
   gotoxy(0,0);
	int i,j; 
	for (i=0;i<=high;i++)
 	{
 		for(j=0;j<=width;j++)
 		{
 		if((i==ball_x)&&(j==ball_y))
		 printf("0");
		 else if(j==width) 
		  printf("|");
		  else if(i==high)
		  printf("-");
		  else
		  printf(" ");
	 
		 }
 		printf("\n");
	 }	 
}
